DMF=dimethylformamide. Complex 1 has an extended oxamido-bridged structure consisting of planar copper(II) and octahedral nickel(II) ions. The χM and μeff versus T plots of 1 is typical of an antiferromagnetically coupled Cu(II)Ni(II) pair with a spin-doublet ground state, and magnetic analysis leads to J=−57.1 cm−1. The molecular structure of 2 is centrosymmetrical, with one octahedral nickel atom lying at
乙酰胺基桥联的异双核
铜(II)-
镍(II)络合物[Cu(oxbe)Ni(phen)2 ] ClO 4 ·3H 2 O(1)和同核三
镍(II)络合物[Ni(oxbe)] 2的Ni(H 2 O)2 }·2.5
DMF(2)已被合成并表征通过元素分析,IR,EPR,和电子光谱和磁化率,其中H的手段3 oxbe是不对称
配体ñ -benzoato- ñ ' -(2-
氨基乙基)草酰胺基,phen = 1,10-
菲咯啉,
DMF =二甲基甲酰胺。综合大楼1具有由平面
铜(II)和八面体
镍(II)离子组成的扩展的乙酰胺基桥接结构。的χ中号和μ EFF与Ť的曲线图1是典型的反
铁磁性耦合的Cu(II)Ni(II)与自旋双峰基态对,并且磁性分析导致的Ĵ = -57.1厘米-1。的分子结构2是中心对称的,与一个八面体
镍原子躺在反演中心和两个终端的Ni(II)在大致正方形的平面环境原子。通过氢键和π-π堆积相互作用,形成了二维超分子结构。